baber/WOPTO huggingface dataset:
Patent GB-620290-A (GB)
Title: Improvements in or relating to air heating elements
IPC: F28D1/047
Filed: 1947-01-15
Abstract: 620,290. Tubular heat-exchangers. CLAYTON DEWANDRE CO., Ltd.. WILLETT, S. E., and EDGE, S. H. Jan. 15, 1947, No. 1418. [Class 64(iii)] An air heating element, e.g. for vehicle, aircraft, buildings &c., consists of helical tubes a each wound with radially projecting wire loops g and connected to headers b, c supplied with hot water, e.g. from an engine cooling system the tuhes being arranged to allow air to pass through and/ or across the tube assembly in any one of a number of different directions. The connections of the ends of each tube to the headers are 90 degrees apart. The air to be heated may enter or leave the tube assembly at a point or points within the assembly, either or both of the headers being annular. Specifications 271,122, [Class 64(iii)]. 561,785 and 620,292 are referred to.
Patent GB-535487-A (GB)
Title: Improvements in or relating to contacts for electric circuit breakers, switches, connectors and the like
IPC: H01H1/38
Filed: 1940-01-25
Abstract: 535,487. Contact-members for switches. WHITEHEAD SWITCHGEAR & INVENTIONS, Ltd., and WHITEHEAD, G. E. Jan. 25, 1940, No. 1527. [Class 38 (v)] [Also in Group XXXVI] A plug-contact comprises a series of flexible and circularly-stacked laminae 1a the outer edges of which are adapted to make line contact with a socket contact 3. In the arrangement shown an auxiliary contact 2 passing through the central support 5 about which the laminae are stacked, engages an auxiliary fixed contact 4 separated from the main contacts by a refractory arcing shield 13. The laminae are shaped and arranged with interleaving stiffening laminae generally ir the manner disclosed in Specafication 409,085, but in a modification, Fig. 7 (not shown) each lamina may be of spiral shape extending right rounc support 5 and having its end: turned sharply so as to lie ir the same radial plane. The laminae are held'in place by notches 11, 12 in which engage with play, ridges 9, 10 formec respectively, on the disc 7, anc shoulder 6 on support 5. The notch 11 is farther from the outer edge to increase flexibility at the forward end. Alternatively, a spring ring may be seated in a groove in the outer periphery of the stack. In a modification, Fig. 3 (not shown), the support 5 is conical and shoulders 6, 7 are correspondingly inclined, whereby the outer edges of the laminae, are adapted to engage a conical contact 3, but the laminae themselves could alternatively be suitably shaped for this purpose. In other modifications employing a conical contact 3, Figs. 5, 6 (not shown), the upper support for the laminae is formed by a part of the contact 2, and the companion contact 4 comprises a spring plunger slidable in a socket made as described in Specification 409,085.
Patent GB-178390-A (GB)
Title: Improvements in lace braiding machines
IPC: D04C3/38
Filed: 1922-01-19
Abstract: 178,390. Wade, H., (Krenzler, G. [Firm of]). Jan. 19, 1922. Braiding-machines.-Relates to lace-braiding machines in which each bobbin-driving plate is rotatable in either direction as determined by the selection of a jacquard and consists in mounting the driving-wheel 21 on a bush or sleeve 25 carried by an arm 26 of a fixed support 27, so that the wheel 21 cannot be accidentally actuated by friction with the driving-shaft 24. The support 27 is provided with stop-members 30, 31 which keep clutch members 22, 23 in engagement with the driving-wheels 20, 21 until the bobbin driving- plate assumes a predetermined position.
Patent GB-124496-A (GB)
Title: Improvements in and relating to Sighting Apparatus for Anti-aircraft Ordnance.
IPC: F41G3/00
Filed: 1916-02-05
Abstract: 124,496. Marks, E. C. R., (Soc. Anon. Italiana G. Ansaldo & Co.). Feb. 5, 1916. Sights and methods of sighting. - Relates to anti-a.ircraft sighting-apparatus of the kind in which the gun cradle is in geared relation to a toothed sector carrying the sights, the sector and gun being elevated together for pointing, and the cradle adjusted relatively to the sector for ranging. According to the invention, adjustment of the cradle relatively to the sector causes rotation of a disk associated with the cradle and formed with graduations or curves for various ranges or heights of target corrected for angle of sight, so that a pointer mounted on the toothed sector and controlled by a levelling-device, when brought into register with the appropriate graduation, indicates that the correct adjustment has been put on the gun. The toothed sector A is hung on the gun trunnions and is connected to the cradle by gearing E, N, N<1> operated by a hand-wheel F. A disk H, graduated as shown in Fig. 2, is pivoted on the cradle and is integral with a pinion 0 engaging a toothed rack formed within the rim of the sector, so that adjustment of the cradle relatively to the sector imparts rotation to the disk. The sector and cradle together are adjusted for pointing by ordinary elevating gearing C, B<2>, B<1>, B on the carriage. The sighting-telescope D is fixed to the sector A and is.brought to bear on the target by rotating the elevating hand-wheel C. On the sector is pivoted a levelling-telescope G or equivalent means such as a pendulum level, gyroscope, &c., to which is pivoted a pointer L slidable in a guide I on the cradle, and associated with the disk H. As the gun and sector are elevated, the pointer L is thus moved radially in the guide I. The hand-wheel F is then rotated to adjust the cradle relatively to the sector, thereby rotating the disk H, until the pointer L registers with the graduation curve, Fig. 2, corresponding to the known range (or height) of the target.
Patent GB-763843-A (GB)
Title: Improvements in and apparatus for roasting finely-particled sulphidic ores and othermaterials containing roastable sulphur
IPC: C22B1/10
Filed: 1954-01-21
Abstract: <PICT:0763843/III/1> <PICT:0763843/III/2> In an apparatus for the heat treatment of finely particled materials containing sulphur, such as sulphide ore floatation concentrates of grain size 0.2 mms., the fluidized bed chamber is divided into two or more compartments.  The compartments are such that there is only limited flow of material from one to another by which means certain compartments have a greater feed of gas and consequent greater turbulence reaction while the others are for the cooling heat transfer and completion of the reaction.  In Fig. 1, 1 is a heat-treatment chamber supplied from hopper 3. The heating is effected in a turbulent layer 4 by means of gas introduced from a wind chamber 5 beneath a grate 6.  Outlets 7 and 8 serve for the withdrawal of the product from the layer while gases formed are withdrawn at 9.  Insert 10 which divides turbulent layer 4 into compartments 4a, 4b of unequal size is constructed so as not to hinder the exchange of material in the lower part.  Built in cooling elements 11 (Fig. 2) may also be introduced and inserts 10 may also be adapted for cooling. Specifications 600,796 and 708,403 are referred to.
Patent GB-1507652-A (GB)
Title: Circuit arrangement for indicating within an incoming pulse train only signal pulses having a length exceeding a limit value
IPC: G01R19/165
Filed: 1977-01-17
Abstract: 1507652 Pulse duration discriminator TELEFONAKTIEBOLAGET L M ERICSSON 17 Jan 1977 [23 Jan 1976] 01815/77 Heading H3T A circuit blocks input pulses shorter than a predetermined length by detecting whether a pulse derived from a monostable circuit triggered by the input pulse terminates before the end of the input pulse. In Fig. 2, delay circuits DE1, DE2 compensate for gate propagation delays, such that the positive edges of the input signal and the positive edge of the monostable SSE2 output arrive simultaneously at AND2, and similarly for the EXCLUSIVE-OR EOR. The leading edge of an interfering pulse DP shorter than the monostable period T, will cause SSE2 to give an output, but the trailing edge applied to AND2 will inhibit SSE2 output before the end of the monostable period T. Thus for short pulses, inputs of the same sense will always be applied to EOR, which will remain at logic 0. A wanted pulse, of longer duration than T, will cause SSE2 to give an output for time T, after which it goes to logic 0. As the input is still at logic 1, AND 2 changes state and the inputs to EOR are different, thus giving an output pulse 15. A second embodiment Fig. 3 comprises a monostable ME having a CLEAR input C and a Master-Slave flip-flop comprising an AND gate AND3 and a J-K flip-flop FF. A trailing edge applied to C inhibits the monostable output. Input B of AND3 only responds to transitions and as shown only responds to negative edges. The leading edge of a wanted input pulse will cause AND3 to provide a short pulse RP which will set the flip-flop FF to provide an output IS, and the trailing edge of the input pulse will reset FF.
Patent GB-1324671-A (GB)
Title: Electrographic recording
IPC: G03G15/09
Filed: 1972-01-14
Abstract: 1324671 Corona charging apparatus PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 14 Jan 1972 [15 Jan 1971] 1873/72 Heading H1X [Also in Division G2] Electrostatic images are produced on both sides of a dielectric record carrier 1 by an electric field, e.g. by electric discharges which take place in cavities on both sides of the carrier and impose a pattern similar to that of an image electrode 2. A particulate toner consisting of carrier and pigmenting particles is than applied to the side of the carrier remote from the electrode 2. The carrier 1 may be spaced from an electrode 3, and a toner containing electrically conductive carrier particles may be placed in the space. The conductive particles then act as extensions of the electrode 3, and formation of an electrostatic image and its development proceed in a succession determined by the relative mobility of ions and pigmenting particles. For example the record carrier 1 may be an endless belt which is fed past cleaning electrodes 22, then between an imaging electrode 2 and a body of magnetizable toner 10, within which magnetic rollers 24, 25 rotate. Metal bodies 5 and 23 serve to prevent tribo-electrical charging and to provide charge compensation.
Patent GB-875550-A (GB)
Title: Device for balancing forces, and uses for such a device
Inventor: KARING PAUL GERHARD
IPC: G05B11/44
Filed: 1960-01-19
Abstract: 875,550. Fluid-pressure servomotor-control systems; valves. SOC. NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION. Jan. 19, 1960 [Jan. 23, 1959], No. 1942/60. Class 135. [Also in Group XXXII] The movements of a fuel-flow control valve 23, Fig. 2, are influenced by a balancing system having the characteristics of a spring and comprising an hydraulic chamber 5 to which pressure fluid is supplied from a pump 17 to compartments 6, 7 on opposite sides of a sealing piston 1, flow from the compartments being regulated by variable constriction valves 3a, 4a which are operatively associated with the piston 1 to produce a pressure differential in the compartments 6, 7 according to the equivalent spring force characteristics required. In the example, the device is used in combination with a helical spring 22 and the valves 3a, 4a are so arranged that the changes in pressure differential assist the forces on the valve 23 resulting from fuel pressure to give an overall constant force characteristic so that the valve 23 opens suddenly after a predetermined pressure has been reached in the line 25. In another example, the restriction valves 3a, 4a are arranged in reverse so that a gradual buildup of resistance to movement of the valve 23 is obtained. In another example, the device is arranged in combination with a spring 49, Fig. 3, to produce a constant force characteristic in a fuel delivery quantity regulator. The spring 49 and piston 1 react on a piston 46 to which the pressure differential across a fuel-flow control valve 28 is applied. The opening of the valve 28 is influenced by engine speed through a cam 29, but in the event of a drop in pressure in the fuel supply line 37, the change in pressure differential across the valve 28 causes the piston 46 to move against the constant force to open or close a by-pass constriction valve 41 until the predetermined pressure drop across the valve 28 is restored.
Patent GB-590283-A (GB)
Title: Improvements in or relating to remote control mechanisms
IPC: F41A19/08
Filed: 1945-01-29
Abstract: 590,283. Machine guns. BIRMING- HAM SMALL ARMS CO., PERRY, C. A., and WACKROW, R. D. Jan. 29, 1945, No. 2212. [Class 92 (ii)] Relates to remote control devices for controlling the operation of a mechanism such as the firing mechanism of a machine gun, and comprises a pivotally mounted support, such as a gun cradle 5, for the mechanism, a member such as an arm 9 movable relatively to the mechanism for actuating it, and means such as a lever 37 for moving the member relatively to the mechanism through the medium of a compound planetary system, the arrangement being such that upon pivotal movement of the support 5 relative movement between the member or arm 9 and the mechanism is prevented if lever 37 is held stationary. The drawing shows a sectional plan view through the trunnion 3 of the gun cradle 5, Through the trunnion, which is mounted in a fixed bearing 1, is a shaft 11 having a pinion 13 meshing with teeth on the arm 9, this arm being pivoted on the gun and serving, when moved, to actuate the firing mechanism. Rotatable on shaft 11 is a spider 19, and rotatable on a sleeve 17 of the spider is a sun pinion 23 which rotates with trunnion 3. One set of gears 21 on the three arms of the spider mesh with the pinion and also with internal teeth of a fixed annulus 27, and another set of gears mesh with a pinion 31 keyed to the shaft and also' with another annulus 29 which can be rotated on the shaft by lever 37 under the control of a foot pedal. In operation, if lever 37 is held stationary and the gun elevated about its trunnions,- the shaft 11 will be rotated with and through the same angle, and thus arm 9 will not rotate about its shaft to actuate the firing mechanism. If lever 37 is moved to rotate annulus 29 the pinion 31 will be moved by gears 28 on the spider and will thus rotate the shaft 11 which will move arm 9 to effect firing.
Patent GB-285631-A (GB)
Title: Improved locking device for cycles and the like
IPC: B62H5/14
Filed: 1927-01-26
Abstract: 285,631. Davies, A. V. Jan. 26, 1927. Locks for bicycles; padlocks. - A device for locking a cycle wheel comprises an arched strip 1 secured between the seat stays and over the mudguard by clips 3, and having a bar 2 pivoted to one end of the strip so that it may be swung into position between a pair of spokes, the free end of the bar entering a slot in a spring lock 4 integrally secured to the other end of the strip and being held by the bolt 6 which snaps through a hole 7 in the end of the bar. When out of use, the bar is held alongside the stay by a clip 8, as shown in dotted lines.
Patent GB-737325-A (GB)
Title: Improvements relating to the repair of footwear by the "stuck-on" sole process
Inventor: MERCER FREDERICK GEORGE
IPC: A43B13/32
Filed: 1953-01-27
Abstract: 737,325. Repairing footwear. LOTUS, Ltd. Jan. 27, 1954 [Jan. 27, 1953], No. 2291/53. Addition to 680,561. Class 17 (2). The process of sole attachment of the parent Specification is applied to the repair of footwear. The use of rubber soles is also specifically mentioned.
Patent GB-103872-A (GB)
Title: Improvements in or relating to Carburetters for Internal Combustion Engines.
IPC: F02M7/24
Filed: 1916-02-16
Abstract: 103,872. Brown & Barlow, and Brown, C. Feb. 16, 1916. Spray carburettors.-In carburettors wherein the suction on the fuel jet is varied by controlling the air inlet to a chamber above the jet, the control means are of such a nature that the flow of air to the chamber cannot be less than a predetermined minimum or greater than a predetermined maximum value. The conduit b, Fig. 1, which supplies air to the chamber above the jet c is provided, at its inlet end, with a nipple a, the passage d through which is adjustable by a screwed plug f. This plug has a slot g for the greater portion of its length and an axial hole h for the remainder, and when screwed up so as to cover the slot g, air is supplied through the hole h only, and this is the predetermined minimum. When unscrewed, air passes through the slot g as well, and the flow is increased, but the predetermined maximum is determined by an aperture k in a ferrule or cup i. In the modification shown in Fig. 2, applicable to aeronautical engines, the air is manually controlled by a needle valve n, the maximum opening being determined by a shoulder q on the stem; the valve may be closed entirely, in which case the minimum supply will take place through the aperture r. In a further modification, the inlet aperture is controlled by the bevelled edge of a rotatable sleeve, the motion of which is limited by stops. In another modification, a sliding sleeve is employed which, in the case of aeronautical engines, may be actuated by a barometric device.
Patent GB-249960-A (GB)
Title: Refrigerating apparatus
IPC: F25B1/04
Filed: 1925-01-27
Abstract: 249,960. Curtis, M. S., and Chilrite Corporation. Jan. 27, 1925. Movable - abutment type; cooling parts; discharge and suction passages; packing. - A rotary pump employed as the compressor of a refrigerating machine and submerged in a lubricating and sealing liquid comprises meshing gears 34, 35 in a chamber surrounded by an inner jacket 37 for cooling-water and an outer jacket 38 for lubricant. The refrigerant enters through a port 390 and mixed refrigerant and lubricant are discharged through a passage 40 against a curved baffle 41, the refrigerant vapour passing behind the baffle to the condensing-chamber of the apparatus. Reference has been directed by the Comptroller to Specifications 13692/06, 217,178, and 222,572. [all in Class 29, Cooling &c.].
Patent GB-1417371-A (GB)
Title: Pipe length having coupling means
IPC: F16L21/00
Filed: 1974-01-18
Abstract: 1417371 Pipe couplings CLOW CORP 18 Jan 1974 [22 Jan 1973] 02454/74 Heading F2G A flared sleeve 21 of thermoplastics material is shrunk on to a pipe length 11 and secured by a polymeric resin adhesive or sealant. An epoxy or polyurethane adhesive may be employed to secure a p.v.c. sleeve to the end of a clayware pipe. A sealing band is provided on the spigot end and may be an 0-ring (33, Fig. 3, not shown). Alternatively, polyurethane is polymerized in situ in a mould about the spigot end, to form a band 15. A band (41, Fig. 4, not shown) similar to the band 15 may have an 0-ring (49).
Patent GB-607593-A (GB)
Title: Improvements in or relating to a continuous process for manufacturing motor fuel hydrocarbons
Filed: 1945-02-01
Abstract: Normally gaseous saturated hydrocarbons are thermally converted to give a mixture containing ethylene, higher olefins, and saturated hydrocarbons which is treated to effect selective conversion of said higher olefins to liquids which are removed to leave an ethylene fraction containing some saturated hydrocarbons and less than 20 per cent by weight of the ethylene of higher olefins, this fraction is alkylated with isobutane in molar excess of the ethylene using a metallic halide and hydrogen halide as catalysts, the alkylate is recovered, and gaseous saturated hydrocarbons returned to the thermal conversion step.  Ethane, propane, butane or a mixture containing them is converted at 1000-1400 DEG  F. and up to 500 p.s.i. or more for 1-100 secs., and the product scrubbed to remove mainly C5 and heavier hydrocarbons which are stabilized to give a polymer gasoline. Gases from the stabilizer may be recycled to the heater or passed to a polymerizer.  Gases accumulating in the scrubber are fractionated to separate the hydrocarbons which pass to the said polymerizer wherein selective polymerization of propene and butenes is effected, for example with phosphoric acid at 400 DEG  F. Liquids are separated and treated in the above-mentioned stabilizer while gases comprising ethylene with, for example, 1-5 per cent of propene and butylene, are alkylated with isobutane. The alkylate is fractionated or treated with an absorption medium such as a straight-run blending gasoline or debutanized alkylate itself to remove ethane and propane which are recycled to the thermal conversion.  The alkylate is then debutanized to remove isobutane which is fed to the alkylator.  The alkylation catalyst may be a body of preformed metal halide-hydrocarbon complex, for example as formed in paraffin isomerization or alkylation, containing aluminium chloride in suspension and maintained at 100-130 DEG  F.  The complex may also be made by reacting the metal halide with alkyl halides or C3-C4 olefins.
Patent GB-560617-A (GB)
Title: Improvements in or relating to typewriting machine
IPC: B41J29/50
Filed: 1943-02-16
Abstract: 560,617. Typewriters. INTERNATIONAL BUSINESS MACHINES CORPORATION. Feb. 16, 1943, No. 2565. Convention date, May 18, 1942. [Class 100 (iv)] Margin stops 15a, 16a are secured to a stop rack 14 on a typewriter carriage, formed of side plates 10 connected by a channel-shaped member 11, by means of spring-pressed latch blocks 15e, 16e. The stops 15a, 16a engage lugs of a tabular lever 25 to determine the right and left margins respectively. To adjust either stop relatively to the carriage the latch blocks 15e, 16e are tripped away from the rack 14 by means of a universal bar 18 operated by a lever 21 having a slotted arm engaging a pin 20 on an arm 19 secured to the shaft 17 of the bar. A spring 23 normally maintains the bar 18 in the position shown in Fig. 3, but counter - clockwise movement of lever 21 causes the bar 18 to engage pins 15j, 16j on the latch blocks so as to free the stops from the rack. The particular stop which is in engagement with. the lever 25 is held in fixed position by engagement of a pin 15g with a slot 26a, or 26b, formed on a bracket 27 arranged above the lever 25, so that the carriage can be adjusted relatively to this particular stop. The pins 15g serve for receiving the springs 15h which press the latch blocks into rack engagement. The lever 25 may be coupled to a marginal release key to permit the carriage to move beyond marginal position. U.S.A. Specification 1,935,436 is referred to.
Patent GB-676603-A (GB)
Title: Tractor-trailer couplings
IPC: B62D53/06
Filed: 1951-02-02
Abstract: 676,603. Tractor - trailer couplings. SCHROTER, K., and SCHROTER, H. Feb. 2, 1951, No. 2615/51. Class 103(v) A tractor-trailer coupling comprise: a draw bar con nected at one enc to the tractor anc at two points along its length to the trailer in such a manner that draught forces tend to move the tractor end of the draw bar downwardly and thereby increase the tractor rear wheel, loading. As shown in Fig. 1, a draw bar 4 is connected to a tractor 2 by a coupling 3 and is pivoted at 13, 14 to the ends of links 8, 9, the other ends of which are pivoted at 11, 12 to a member 7 on the trailer 5. Various other embodiments, Figs. 2, 4-7, (not shown), are illustrated in which the links are adjustable in length and point of connection, telescopic or resilient. In Fig. 3 pins 19, 18 on the draw bar sliding slots 15, 16 in a member 20 attached to the trailer replace the links 8, 9 and produce the desired weight transfer to the tractor rear wheels.
Patent GB-111597-A (GB)
Title: An Improved Form of Double-acting Spring Coupling.
Inventor: OTHEN THOMAS BENJAMIN
IPC: F16D3/62
Filed: 1917-02-23
Abstract: 111,597. Othen, T. B. Feb. 23, 1917. Shaft couplings.-Helical springs D threaded on rods C secured to projections G on one member F of the coupling, bear against projections B on the other member A. The parts are enclosed and an oil box formed by a cover H.